scala - When are singleton objects constructed? -

object o {   // construction code , member initialization }

construct, when code going run?

the code called when o accessed first time (some method or property). example following program

object o {   println("hello o")   def dosome() {} }  object app extends application {   println("before o")   o.dosome()   println("after o") }

will yield

before o hello o after o

it's not enough define o. won't work to call class.forname("o") since compiled object's name o$, calling class.forname("o$") do.

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